3933312
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$66.95 $79.67

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3933312 Flexible Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance is fundamental for maintaining and optimizing truck performance.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in various automotive systems to transfer fluids or gases. They are engineered to withstand varying conditions, including changes in temperature, pressure, and movement. These hoses are essential for connecting different parts of a system, allowing for flexibility and movement without compromising the integrity of the fluid or gas transfer 1.

Purpose of the Cummins 3933312 Flexible Hose

This part is designed to connect specific systems within a truck, facilitating the transfer of fluids or gases. Its role is to ensure a secure and efficient connection between components, which may include parts of the engine, transmission, or other critical systems. By providing a flexible connection, it accommodates the movement and vibrations inherent in truck operation 2.

Key Features

The Cummins 3933312 Flexible Hose boasts several key features that enhance its performance and longevity. These include a material composition that resists wear and corrosion, flexibility to accommodate movement, and a durable design that ensures long-term reliability. Additionally, specific design elements may be incorporated to improve the hose’s efficiency and ease of installation 3.

Benefits

Utilizing the Cummins 3933312 Flexible Hose offers several advantages. It contributes to improved system efficiency by ensuring a secure and leak-free connection. The hose’s design reduces the risk of leaks, enhances durability under demanding conditions, and simplifies the installation process, making it a valuable component for truck maintenance and repair.

Installation Considerations

Proper installation of this Cummins part is vital for ensuring its effectiveness and longevity. Installation procedures may require specific tools or techniques to achieve a secure and effective fit. Attention to detail during installation helps prevent common issues such as leaks or improper connections, ensuring the hose functions as intended.

Troubleshooting Common Issues

Flexible hoses, including the 3933312, may encounter issues such as leaks, kinks, or degradation over time. Identifying these problems early and applying appropriate troubleshooting steps can help maintain the hose’s integrity and performance. Regular inspections and timely repairs or replacements are recommended to address these issues effectively.

Maintenance Tips

To prolong the life of the Cummins 3933312 Flexible Hose, regular maintenance practices are advised. This includes periodic inspections for signs of wear or damage, cleaning to remove contaminants that may affect performance, and following manufacturer guidelines for replacement. Adhering to these maintenance tips ensures the hose remains in optimal condition, contributing to the overall efficiency of the truck.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history of innovation and quality, Cummins serves commercial truck markets with a comprehensive range of products, including engines, filtration, and aftermarket parts. The company’s reputation for reliability and performance makes it a preferred choice for truck operators and maintenance professionals.

Cummins Part 3933312: Flexible Hose Compatibility with 6C8.3 Engines

The Cummins part number 3933312, a Flexible Hose, is specifically designed to integrate seamlessly with the 6C8.3 engine series. This part is crucial for maintaining the integrity and efficiency of the engine’s cooling and fuel systems. The flexibility of the hose allows it to accommodate the dynamic movements and vibrations inherent in engine operation, ensuring a reliable connection without the risk of wear or failure.

In the 6C8.3 engine family, the Flexible Hose 3933312 is engineered to fit precisely within the engine’s design parameters. It connects various components, facilitating the flow of fluids such as coolant and fuel. The hose’s material composition is selected to withstand the high temperatures and pressures typical of engine environments, ensuring durability and longevity.

The integration of this part is essential for the overall performance of the engine. It ensures that the engine operates smoothly by preventing leaks and maintaining the necessary pressure levels. The design of the Flexible Hose 3933312 is such that it can be easily installed and removed, making maintenance and repairs more efficient. This part is a testament to Cummins’ commitment to providing high-quality components that enhance engine reliability and performance.

Role of Part 3933312 Flexible Hose in Engine Systems

The part 3933312 Flexible Hose is integral to the efficient operation of several engine components, ensuring seamless fluid transfer and maintaining system integrity under varying operational conditions.

Air Intake Heater

In systems equipped with an air intake heater, the 3933312 Flexible Hose facilitates the transfer of heated air from the heater to the intake manifold. This process enhances combustion efficiency, especially in cold-start conditions, by warming the incoming air. The flexibility of the hose accommodates the dynamic movements and vibrations inherent in engine operation, ensuring a secure and durable connection.

Air Heater Starting System

When integrated into an air heater starting system, the 3933312 Flexible Hose plays a pivotal role in directing heated air to the engine’s cylinders. This preheating aids in reducing the viscosity of engine oil and lubricating components, which is essential for smooth engine startup in low-temperature environments. The hose’s design allows it to withstand the thermal expansion and contraction cycles, maintaining consistent performance.

Starting Aid Kit

In conjunction with a starting aid kit, the 3933312 Flexible Hose is responsible for delivering additional fuel or ether to the engine’s intake system during startup. This enhancement is particularly beneficial in diesel engines, where cold starts can be challenging. The hose ensures that the starting aid is evenly distributed, promoting uniform combustion and reliable engine ignition.

Aid Systems

For systems utilizing various aid mechanisms, such as ether injection or glow plug systems, the 3933312 Flexible Hose ensures that these aids are effectively delivered to the engine. Its robust construction and flexibility are vital for withstanding the pressures and temperatures associated with these aid systems, contributing to overall engine reliability and performance.

Conclusion

The Cummins 3933312 Flexible Hose is a critical component in the operation and maintenance of commercial trucks. Its design and features contribute to the efficiency and reliability of the truck’s systems, ensuring secure and efficient fluid transfer. Proper installation, regular maintenance, and timely troubleshooting are essential for maximizing the performance and longevity of this part. Cummins’ commitment to quality and innovation is evident in the design and functionality of the 3933312 Flexible Hose, making it a valuable asset for truck operators and maintenance professionals.


  1. Boyce, M. P. (2011). Gas Turbine Engineering Handbook (4th ed.). Butterworth-Heinemann.

  2. Happian-Smith, J. (2002). An Introduction to Modern Vehicle Design. Butterworth-Heinemann.

  3. Wright, G. (2015). Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
13.8 x 3.8 x 1.6 in
Weight
0.38 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.